Chemistry-Nucleophilic Addition

NEET Chemistry Nucleophilic Addition MCQ Question

Type: MCQ-conceptual-Easy-Class 12

Which of the following statements about nucleophilic addition reactions of aldehydes and ketones is correct?

A

A nucleophile attacks the carbonyl carbon, causing a change from sp2 to sp3 hybridization.

B

Nucleophilic addition reactions only occur in aldehydes, not in ketones.

C

Cyanohydrins are formed by the addition of water to aldehydes and ketones.

D

The carbonyl oxygen is the site of nucleophilic attack in nucleophilic addition reactions.

Correct Answer

Option A

Detailed Explanation

In nucleophilic addition reactions, a nucleophile attacks the electrophilic carbon atom of the carbonyl group, leading to a change in hybridization from sp2 to sp3, as stated in the NCERT context.

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